What is the full form of SI?

SI: Sub Inspector

The full form of SI is Sub Inspector. SI is the lowest-ranked officer who can file a charge sheet in court under Indian Police rules and regulations and is usually the first investigating officer. Officers subordinate to him cannot file charge sheets but can only investigate cases on his behalf. SI can be a station house officer in some states like Kerala. SI is generally accompanied by a few police personnel (like ASI, head constable, constables).

A sub-inspector (SI) ranks above an assistant sub-inspector of police (ASI) and below an inspector. Most sub-inspectors are recruited directly into the police and have better educational qualifications than lower-ranked police officers.

The insignia of a sub-inspector is two stars and a red and blue striped ribbon at the outer edge of the shoulder straps. It is similar to the insignia of a Subedar in the Indian Army. The shoulder straps of the Assistant Sub-Inspector shall have one star and a red and blue striped ribbon at the outer edge. It is similar to the insignia of a Naib Subedar in the Indian Army.

How to become an SI?

Procedure for SI in State Police Department is:

• You should be a graduate in any stream
• Age limit is 18 to 28 in most states with relaxation as per some category rules
• Height 5′ 6″ in which chest is 79-84 inches which is not applicable for women the height for them is also 157cms
• You must be physically fit
• After Published Advt. Candidates should have PET and PST passed
• Physical Efficiency Test (PET) is 1600 meters run and 20 pushups in 6:30 minutes
• Qualified candidates are called for written test which is OMR based graduate level examination Syllabus varies from state to state. Some states have two papers and other have one. No -ve marking in maximum states.
• After written test candidates are called for viva
• After viva candidates should go for medical checkup and docs (documents) verification
• Then they join their zonal police headquarters
• After sometime they go for training in state police academy.

There may be some local variations like you have no interview to become SI in Delhi Police and instead you have to qualify CPO SSC SI exam which is conducted at national level. Check the website of your state police for more accurate details.

Other full forms of SI